In May, Oviedo typically sees daytime highs of 17.7°C and overnight lows around 8.9°C. Compared to the annual average high of 16.5°C, May runs +1.2°C.
May in Oviedo averages a daytime high of 17.7°C and an overnight low of 8.9°C.
May runs +1.2°C compared to Oviedo's annual average high of 16.5°C, ranking #6 of 12 months by warmth.
Plan for daytime highs near 17.7°C and cooler evenings around 8.9°C.